Product Information

MAGNESIUM OXIDE 400 MG TABLET is a generic product labeled by Apnar Pharma LP, priced at $0.0350 per EA under NDC 24689013201. Its NADAC has been published 113 times since Jan 4, 2023.

MAGNESIUM OXIDE 400 MG TABLET

Magnesium Oxide
$0.0350per EA
OTC

Strength

400 mg/1

Manufacturer

Apnar Pharma LP

NDC

24689013201

Classification

Generic

Dosage Form

TABLET

Route

ORAL

Last Updated

6/17/2026

Active Ingredients

MAGNESIUM OXIDE

Approval Type

OTC MONOGRAPH DRUG

FDA Application

M001

On Market Since

8/5/2022

Pharmacological Classes

Calculi Dissolution Agent
Increased Large Intestinal Motility
Inhibition Large Intestine Fluid/Electrolyte Absorption
Inhibition Small Intestine Fluid/Electrolyte Absorption
Magnesium Ion Exchange Activity
Osmotic Activity
Osmotic Laxative
Stimulation Large Intestine Fluid/Electrolyte Secretion

Price Statistics

The NADAC for MAGNESIUM OXIDE 400 MG TABLET has been published 113 times since Jan 4, 2023, and over the history we have for it it has risen 4.7%. The table below summarizes its recorded NADAC range and movement.

Current price$0.0350 per EA
All-time high$0.0366 (Aug 13, 2025)
All-time low$0.0310 (Aug 23, 2023)
52-week high$0.0366
52-week low$0.0342
Median price$0.0343
Average price$0.0344
Largest weekly change-9.5% (Aug 23, 2023)
Weeks tracked113
Tracking sinceJan 4, 2023

Price History

1W

0.0%

1M

-0.3%

3M

+0.2%

6M

+1.6%

1Y

-0.9%

3Y

-0.8%

5Y

N/A

All

+4.7%

Generic Alternatives

The matcher finds 3 NADAC-published products sharing this drug's active ingredient, strength, and dosage form across 3 manufacturers (up to 10 shown below). None of the shown alternatives sit below the current price. These are candidates to verify clinically, not guaranteed substitutes — see our generic drug prices guide.

Frequently asked questions

What is the NADAC price of MAGNESIUM OXIDE 400 MG TABLET?

The current National Average Drug Acquisition Cost (NADAC) for MAGNESIUM OXIDE 400 MG TABLET, manufactured by Apnar Pharma LP, is $0.0350 per EA (NDC 24689013201), effective Jun 24, 2026.

How has the price of MAGNESIUM OXIDE 400 MG TABLET changed over time?

Over the history we have for it, the NADAC for MAGNESIUM OXIDE 400 MG TABLET has risen 4.7%. It has been tracked across 113 weekly CMS publications since Jan 4, 2023.

What are the highest and lowest recorded NADAC prices for MAGNESIUM OXIDE 400 MG TABLET?

Since Jan 4, 2023, the NADAC for MAGNESIUM OXIDE 400 MG TABLET has ranged from a low of $0.0310 (Aug 23, 2023) to a high of $0.0366 (Aug 13, 2025), with a median of $0.0343 per EA.

Are there cheaper alternatives to MAGNESIUM OXIDE 400 MG TABLET?

3 NADAC-published products share the same active ingredient, strength, and dosage form as MAGNESIUM OXIDE 400 MG TABLET, but none are currently priced below it.

Who manufactures MAGNESIUM OXIDE 400 MG TABLET?

MAGNESIUM OXIDE 400 MG TABLET (NDC 24689013201) is labeled by Apnar Pharma LP, and CMS classifies it as a generic product.